4002620093 has 2 divisors, whose sum is σ = 4002620094. Its totient is φ = 4002620092.

The previous prime is 4002620081. The next prime is 4002620099. The reversal of 4002620093 is 3900262004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3918384409 + 84235684 = 62597^2 + 9178^2 .

It is a cyclic number.

It is not a de Polignac number, because 4002620093 - 2¹² = 4002615997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4002620099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2001310046 + 2001310047.

It is an arithmetic number, because the mean of its divisors is an integer number (2001310047).

Almost surely, 2^4002620093 is an apocalyptic number.

It is an amenable number.

4002620093 is a deficient number, since it is larger than the sum of its proper divisors (1).

4002620093 is an equidigital number, since it uses as much as digits as its factorization.

4002620093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 4002620093 is about 63266.2634664005. The cubic root of 4002620093 is about 1587.7475711852.

Adding to 4002620093 its reverse (3900262004), we get a palindrome (7902882097).

The spelling of 4002620093 in words is "four billion, two million, six hundred twenty thousand, ninety-three".